1 files changed, 112 insertions, 0 deletions
diff --git a/new/windows/init.c b/new/windows/init.c
new file mode 100644
index 0000000..9903934
--- /dev/null
+++ b/new/windows/init.c
@@ -0,0 +1,112 @@
+// 6 april 2015
+#include "uipriv_windows.h"
+
+HINSTANCE hInstance;
+int nCmdShow;
+
+HFONT hMessageFont;
+
+HBRUSH hollowBrush;
+
+struct uiInitError {
+	char *msg;
+	char failbuf[256];
+};
+
+#define initErrorFormat L"error %s: %s%sGetLastError() == %I32u%s"
+#define initErrorArgs wmessage, sysmsg, beforele, le, afterle
+
+static const char *loadLastError(const char *message)
+{
+	WCHAR *sysmsg;
+	BOOL hassysmsg;
+	WCHAR *beforele;
+	WCHAR *afterle;
+	int n;
+	WCHAR *wmessage;
+	WCHAR *wstr;
+	const char *str;
+	DWORD le;
+
+	le = GetLastError();
+	if (FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, le, 0, (LPWSTR) (&sysmsg), 0, NULL) != 0) {
+		hassysmsg = TRUE;
+		beforele = L" (";
+		afterle = L")";
+	} else {
+		hassysmsg = FALSE;
+		sysmsg = L"";
+		beforele = L"";
+		afterle = L"";
+	}
+	wmessage = toUTF16(message);
+	n = _scwprintf(initErrorFormat, initErrorArgs);
+	wstr = (WCHAR *) uiAlloc((n + 1) * sizeof (WCHAR), "WCHAR[]");
+	snwprintf(wstr, n + 1, initErrorFormat, initErrorArgs);
+	str = toUTF8(wstr);
+	uiFree(wstr);
+	if (hassysmsg)
+		if (LocalFree(sysmsg) != NULL)
+			logLastError("error freeing system message in loadLastError()");
+	uiFree(wmessage);
+	return str;
+}
+
+uiInitOptions options;
+
+const char *uiInit(uiInitOptions *o)
+{
+	STARTUPINFOW si;
+	const char *ce;
+	HICON hDefaultIcon;
+	HCURSOR hDefaultCursor;
+	NONCLIENTMETRICSW ncm;
+
+	options = *o;
+
+	hInstance = GetModuleHandle(NULL);
+	if (hInstance == NULL)
+		return loadLastError("getting program HINSTANCE");
+
+	nCmdShow = SW_SHOWDEFAULT;
+	GetStartupInfoW(&si);
+	if ((si.dwFlags & STARTF_USESHOWWINDOW) != 0)
+		nCmdShow = si.wShowWindow;
+
+	ce = initCommonControls();
+	if (ce != NULL)
+		return loadLastError(ce);
+
+	hDefaultIcon = LoadIconW(NULL, IDI_APPLICATION);
+	if (hDefaultIcon == NULL)
+		return loadLastError("loading default icon for window classes");
+	hDefaultCursor = LoadCursorW(NULL, IDC_ARROW);
+	if (hDefaultCursor == NULL)
+		return loadLastError("loading default cursor for window classes");
+
+	if (registerWindowClass(hDefaultIcon, hDefaultCursor) == 0)
+		return loadLastError("registering uiWindow window class");
+
+	ZeroMemory(&ncm, sizeof (NONCLIENTMETRICSW));
+	ncm.cbSize = sizeof (NONCLIENTMETRICSW);
+	if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS, sizeof (NONCLIENTMETRICSW), &ncm, sizeof (NONCLIENTMETRICSW)) == 0)
+		return loadLastError("getting default fonts");
+	hMessageFont = CreateFontIndirectW(&(ncm.lfMessageFont));
+	if (hMessageFont == NULL)
+		return loadLastError("loading default messagebox font; this is the default UI font");
+
+	ce = initParent(hDefaultIcon, hDefaultCursor);
+	if (ce != NULL)
+		return loadLastError(ce);
+
+	hollowBrush = (HBRUSH) GetStockObject(HOLLOW_BRUSH);
+	if (hollowBrush == NULL)
+		return loadLastError("getting hollow brush");
+
+	return NULL;
+}
+
+void uiFreeInitError(const char *err)
+{
+	uiFree((void *) err);
+}